Defn: Having nine sides.

ENNEAHEDRIA; ENNEAHEDRON
En`ne*a*he"dri*a, En`ne*a*he"dron, n. (Geom.)

Defn: A figure having nine sides; a nonagon.

ENNEANDRIA
En`ne*an"dri*a, n. Etym: [NL., fr. Gr. ennéandrie.] (Bot.)

Defn: A Linnæan class of plants having nine stamens.

ENNEANDRIAN; ENNEANDROUS
En`ne*an"dri*an, En`ne*an"drous, a. (Bot.)

Defn: Having nine stamens.

ENNEAPETALOUS
En`ne*a*pet"al*ous, a. Etym: [Gr. petalous: cf. F. ennéapétale.]
(Bot.)

Defn: Having nine petals, or flower leaves.

ENNEASPERMOUS
En`ne*a*sper"mous, a. Etym: [Gr. (Bot.)